Prevalence of OSA and Diagnostic Accuracy of Type 3 Home Sleep Test in Difficult-to-treat Asthma

Not Applicable

Active, not recruiting

• Conditions: OSA

• Registration Number: NCT06916858
• Lead Sponsor: Chulalongkorn University

Brief Summary

cross sectional cohort study enroll Patients diagnosed with difficult-to-treat asthma, aged over 18 years, and experiencing persistent symptoms as assessed by the Asthma Control Test (ACT) underwent type 1 in-laboratory polysomnography and type 3 HSAT within 1 month apart

Detailed Description

Not available

Study Timeline

• Study Start: 2024-02-07
• Study First Submitted: 2024-02-07
• Primary Completion: 2024-06-30
• Status Verified: 2025-03
• Study First Submitted QC: 2025-04-01
• Study First Posted: 2025-04-08
• Last Update Submitted: 2025-06-20
• Last Update Posted: 2025-06-25
• Study Completion: 2025-06-30

Recruitment & Eligibility

• Status: ACTIVE_NOT_RECRUITING
• Sex: All
• Target Recruitment: 37

Inclusion Criteria

• difficult-to-treat asthma .
• Patients aged 18 years or older

Exclusion Criteria

• Patients or volunteers unable to undergo type 1 and type 3 sleep studies,
• Patients with symptoms compatible with other sleep disorders,
• Patients with a history of or current stroke or transient ischemic attack and Other chronic respiratory diseases.
• Patients diagnosed with obstructive sleep apnea

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Primary Outcome Measures

Name	Time	Method
prevalence of OSA in patients with difficult-to-treat asthma	up to 4 months	prevalence of OSA in patients with difficult-to-treat asthma

Secondary Outcome Measures

Name	Time	Method
assess the accuracy of type 3 home sleep apnea test (HSAT)	up to 1 months	number of participant who have same diagnosed OSA with type 3 HSAT compare to type 1 sleep test; * AHI; * ODI

Trial Locations

Locations (1)

Tidarat Somreusean; 🇹🇭 Bangkok, Thailand